class Catenary:

    def __init__(self):
        self.NTrains = 0
        self.Positions = np.array([])
        self.Powers_MW = np.array([])
        self.R_matrix = np.array([[0.0356,  0.0000],[0.0000  0.0001] ]) 
        self.X_matrix = np.array([[0.0111,  0.0000],[0.0000  0.0001] ])        
